Here we have a custom designed and 3D printed focus ring grip with a grip pattern imitating the Zeiss CF lens to match the originalaesthetic.
Replacement Hasselblad CF 40mm 50mm 60mm 80mm Lens Focus Snap Ring Grip
Replacement Hasselblad CF 100mm / 150mm Focus Ring Bottom Bezel Part
Replacement Hasselblad CF 40mm 50mm 60mm 80mm Lens Focus Snap Ring Grip - Part A
Custom 'Quick' Focus Ring / Grip For Hasselblad CF 40mm 50mm 60mm 80mm Lens
DSLR Camera Follow Focus Ring Black Focus Gear Ring For 49mm 52mm 55mm 58mm BL
DSLR Camera Follow Focus Ring DSLR Camera Focus Gear Ring Professional For 52mm